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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7548697499

Certificate GIA 7548697499

Diamond specifications and retailer prices

From $13,098 AUD
As of November 5, 2026
Save $5,237 AUD (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $18,335 AUD at Diamonds Direct · As of November 6, 2026
View at Diamonds Direct

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7548697499. Listed at 8 retailers as of November 5, 2026, with prices from $13,098 to $18,335, a $5,237 spread on the same certified stone. Diamonds Direct lists it at $18,335. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7548697499
Dimensions8.72 × 8.66 × 5.35 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.72 mm8.66 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7548697499
Side View
Table 61.0%Crown 33.5°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $18,335 AUD|Low: $11,382 AUD|High: $18,885 AUD|Avg: $15,536 AUD|-2.9%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$11,382 AUD
Retailer 5$13,098 AUD
Retailer 7$13,679 AUD
Retailer 2$14,594 AUD
Retailer 8$15,581 AUD
Retailer 6$15,893 AUD
Retailer 4$16,078 AUD
Retailer 10$17,633 AUD
Retailer 3$18,145 AUD
Diamonds Direct$18,335 AUD

39 data points across 10 retailers

8 retailers$13,098 AUD to $18,335 AUD

A
Cheapest Retailer
-
$13,098 AUD
A
Retailer 2
-
$13,679 AUD
View
A
Retailer 3
-
$14,594 AUD
View
A
Retailer 4
-
$15,893 AUD
View
A
Retailer 5
-
$16,078 AUD
View
B+
Retailer 6
-
$17,633 AUD
View
B+
Retailer 7
-
$18,145 AUD
View
Most Expensive
B+
Diamonds Direct
1005896 · Nov 6
$18,335 AUD
$12,835 USD
View
7 more retailers have this diamond
Prices start from $13,098 AUDSave up to $5,237 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.50ct Round
$13,098 AUD